German submarine U-438
Summary of raiding history

Date
Name
Nationality
Tonnage (GRT)
Fate
10 August 1942
Condylis
Greece
4,439
Sunk
10 August 1942
Oregon
United Kingdom
6,008
Sunk
25 August 1942
Trolla
Norway
1,598
Sunk
2 November 1942
Hartington
United Kingdom
5,496
Damaged

Question: How much overall damage did the German submarine U-438 cause?
Answer: The U-438 sank three ships, totalling 12,045 gross register tons (GRT) and damaged one ship totalling 5,496 GRT.